look up any word, like fob dot:
a person with mixed blood worse than a mutt
mixed breeds are usually dirt blood and their family has no sense in the cause of racial purity
by raciststoner May 15, 2009
A girl who plays sports,and is good at them, she can either be ugly or hot.
Person # 1What type of girl is she?

Person #2She is a Dirtblood.

Person #1Ahh I see.
by Bonzi March 26, 2005